(AP Photo/Marcio Jose Sanchez). University of California students, from left, Anjali Banerjee, Alice Ma and Tyler Heintz walk near the university's campus Wednesday, June 6, 2018, in, Berkeley, Calif. The students who were in Nice, France when a terror...

University of California, Berkeley students who were in the French city of Nice when a man drove a 19-ton truck through the crowd, killing their classmate and 85 other people, have turned their grief into building...

University of California, Berkeley students who were in the French city of Nice when a man drove a 19-ton truck through the crowd, killing their classmate and 85 other people, have turned their grief into building a tech startup to fight terrorism.